Home / 1,281,513.84-1,922,546.52-383,028.60

Finding the Fourth Proportional to 1,281,513.84, 1,922,546.52 and 383,028.60

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Solution

The fourth proportional to 1,281,513.84, 1,922,546.52 and 383,028.60 is: 574,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,513.84 : 1,922,546.52 = 383,028.60 : x
  2. Step 2: Convert to fraction form
    1,281,513.84/1,922,546.52 = 383,028.60/x
  3. Step 3: Cross multiply
    1,281,513.84x = 1,922,546.52 × 383,028.60
  4. Step 4: Simplify right side
    1,281,513.84x = 736,390,301,990.47
  5. Step 5: Solve for x
    x = 736,390,301,990.47/1,281,513.84
  6. Step 6: Final answer
    x = 574,625.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.